Electrodeposition of textured nickel on nickel alloy Hastelloy

M. Sugimoto, Ryo Teranishi, S. Ooue, Masashi Mukaida, N. Mori, K. Yamada, H. Fukushima, T. Izumi, Y. Shiohara

    Research output: Contribution to journalArticlepeer-review

    3 Citations (Scopus)

    Abstract

    We proposed a new method fabricating low-cost and mechanically strong tapes for coated conductors. In this method, Hastelloy ® tape, which is a strong nickel alloy, is plated with a nickel film. A two-step plating was applied to obtain a textured nickel film. In the first step, a strike bath was used in order to plate a nickel film on Hastelloy surface. In the second step, the film was plated in a low cost watts bath. We controlled various plating conditions such as pH-condition, thickness, and current density in the watts bath to fabricate a textured nickel film. The crystal orientation of the nickel films was characterized by an X-ray diffraction method (XRD) with Cu Kα radiation. Preferred orientation of the film depends on pH of watts bath, nickel film thickness, and current density. The optimal conditions for obtaining a textured nickel film are pH of 4.5 for the watts bath, current density of 500 A/m 2 , and thickness of 92 μm. Finally, we succeeded in obtaining nickel films with 96% c-axis orientation.

    Original languageEnglish
    Pages (from-to)1371-1373
    Number of pages3
    JournalPhysica C: Superconductivity and its applications
    Volume469
    Issue number15-20
    DOIs
    Publication statusPublished - Oct 15 2009

    All Science Journal Classification (ASJC) codes

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Energy Engineering and Power Technology
    • Electrical and Electronic Engineering

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